The walking lunge route is; Set your plates on the mats outside the box (on ramp) lunge walk to the opposite unit until you clear the prominent securtiy bollards infront of their roller shutter doors – turn and come back to the mats on ramp. The walking lunge has to see the plate overhead at all times, knee must be within 2-3 inches from the floor every step – bent arms is ok – plate on head is not.